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Porth Ceriad Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 6 am Wednesday 17 Sep 2025 BST
How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 11AM is: 2.5m 8s primary swell from a Southwest direction (forecast issued at 06:00am September 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 8ft (2.5m) | 8s |
| Afternoon (17 Sep) | 8ft (2.4m) | 9s |
| Evening (17 Sep) | 7ft (2.2m) | 7s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 8 | 8 | 8 | 9 | 8 | 7 | 7 | 12 | 8 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 215 | 861 | 886 | 830 | 870 | 614 | 487 | 296 | 311 | 201 | 171 | 436 | 489 | 462 | 416 | 368 | 389 | 381 | 336 | 285 | 231 | 169 | 281 | 199 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | cross- on | glass | glass |
High Tide / height (m) | 5:17AM 3.01 | 5:48PM 3.35 | 6:29AM 3.24 | 6:49PM 3.68 | 7:20AM 3.54 | 7:36PM 4.02 | ||||||||||||||||||
Low Tide / height (m) | 12:45PM 1.24 | 1:24AM 0.83 | 1:45PM 0.94 | 2:17AM 0.53 | 2:31PM 0.67 | |||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:29 | - | - | - | - | - | - | - | 7:27 | - | - | - | - | - | - | - | 7:24 | - | - |
 |  |  | |  |  |  |  |  | | | | | | | | | | | | | | |  | |
Rain (mm) | 8 | 5 | - | - | - | - | - | - | - | 4 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 14 | 16 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 16 | 15 | 15 |
| Feels °C (?) | 5 | 7 | 10 | 9 | 9 | 8 | 9 | 10 | 11 | 13 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 13 | 12 | 14 | 14 | 12 | 15 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Lleyn
The wind is still cross-on at Porth Ceriad (near gales from the SW at Aberdaron 15 km from Porth Ceriad). A 2.4m swell from the SW
1 h 16 min ago
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